Finding the Fourth Proportional to 432,309,100.17, 648,503,514.27 and 141,177,748.80

Step by Step Solution

1. Step 1: Write the proportion equation
   432,309,100.17 : 648,503,514.27 = 141,177,748.80 : x
2. Step 2: Convert to fraction form
   432,309,100.17/648,503,514.27 = 141,177,748.80/x
3. Step 3: Cross multiply
   432,309,100.17x = 648,503,514.27 × 141,177,748.80
4. Step 4: Simplify right side
   432,309,100.17x = 91,554,266,233,527,280
5. Step 5: Solve for x
   x = 91,554,266,233,527,280/432,309,100.17
6. Step 6: Final answer
   x = 211,779,641.46